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2 years ago

Could someone help i'll give you 30 points just help due by midnight thanks

Mathematics

1 answer:

kap26 [50]2 years ago

4 0

For number 5. X=12.5 and for number 6. X=4

Hope this helps :)

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Explain why a positive times a negative is a negative number.

prohojiy [21]

Explanation:

This can be explained by thinking numbers on the number line as:

Lets take we have to multiply a positive number (say, 2) with a negative number say (-3)

2×(-3)

Suppose someone is standing at 0 on the number line and to go to cover -3 , the person moves 3 units in the left hand side. Since, we have to compute for 2×(-3), The person has to cover the same distance twice. At last, he will be standing at -6, which is a negative number.

A image is shown below to represent the same.

Thus, a positive times a negative is a negative number.

8 0

3 years ago

Find the y-intercept of the line that has a slope of -3 and passes through (9,0)

Ann [662]

9514 1404 393

Answer:

Step-by-step explanation:

For point (x, y) and slope m, the y-intercept can be found from the equation ...

b = y -mx

b = 0 -(-3)(9) = 27

The y-intercept is +27. The corresponding ordered pair is (0, 27).

7 0

2 years ago

What is the value of x in the equation 8x – 2y = 48, when y = 4?

luda_lava [24]

Answer:

Step-by-step explanation:

8x-2y=48, replace y with 4, 8x-2(4)=48, multiply, 8x-8=48, add 8 to both sides to remove the -8, 8x=56 and finally divide by 8 to remove 8 from x, x=7.

8 0

2 years ago

Find the exact solution to the equation below 5^(9-3x)= 125

Troyanec [42]

X=2 because 5^3=125 and there you are

7 0

3 years ago

Read 2 more answers

10) a =-1, r=-5, n= 9 A) -357162 B) -325521 C) -310366 D) -1/6

Nata [24]

Answer:

Step-by-step explanation:

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2 years ago